To case, or Naked? / Keyboard recommendations?

I plan to order this tablet for work. I do a lot with sprinkler systems and am developing an app to use to control the zones while I am in the field, so being a waterproof tablet is a must for my needs. My real questions is do I need to order a case for this tablet or not. Would this be durable enough to leave it naked, and go with a charging dock work desk work, or a should i get a case and stick with plugging it in each time i need to work at my desk?

Also can anyone recommend a good wireless keyboard to go with this tablet?

 

Hi..., Droidboardr. Depends on you... ! Bath I will by case, it's easy to work when he is standing.

 

I suppose the real questions is does the tablet seem strong enough without a case, or are there any ulterior benefits to having the case. I know that my GS3 was so slick/smooth/slippery when I got it that i felt i needed a case just to give it some grip. If it weren't for that reason, it would be naked today.

 

I like my case. I put a handle on the back for easy grip.